Malicious PDF — malware analysis report

Static analysis result for SHA-256 3850d6279bf76db9…

MALICIOUS

PDF

23.0 KB Created: 2019-05-03 05:13:01 +01:00 Authoring application: mPDF 5.7
MD5: cbc5d93727debfe86b5d7f562c916110 SHA-1: 89ec374a00b20b48a6f65e371c330de433d1f564 SHA-256: 3850d6279bf76db93f5262c328bdfdb349ca91060f7880d5a3a1f2e7837e15e0
90 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment

The PDF document contains a large number of embedded URLs, identified by the PDF_SEO_LINK_FARM heuristic, which are presented as links to book downloads. The ML classifier strongly indicated maliciousness. The primary intent appears to be directing users to a link farm, likely for further malicious activity or to generate ad revenue.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9903

Heuristics 2

  • Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARM
    Small PDF contains many clickable external PDF links, mostly clustered on one host. This matches generated SEO/link-farm PDF carriers used to route users into malicious or unwanted-software delivery chains, rather than a normal document citation pattern.
  • Embedded URL info EMBEDDED_URL
    One or more URLs were extracted from the document. The URL itself is not a detection — see the per-URL labels for which channel (macro, JS, link annotation, document body, ...) reached each URL.
    URL http://kiteeearpdf.myhome.cx/1f210f212f216f213/Lean-In-Women-Work-and-the-Will-to-Lead-by-Sheryl-Sandberg.pdf
    • http://kiteeearpdf.myhome.cx/1f211f215f217f216f210f214/W-cz-si-do-gry-Kobiety-praca-i-ch-przyw-dztwa-by-Sheryl-Sandberg.pdf
    • http://kiteeearpdf.myhome.cx/7f213f219f213f217f218/How-Remarkable-Women-Lead-The-Breakthrough-Model-for-Work-and-Life-by-Joanna-Barsh.pdf
    • http://kiteeearpdf.myhome.cx/6f214f211f219f211f210/When-Work-Doesn-t-Work-Anymore-Women-Work-and-Identity-by-Elizabeth-Perle-Mckenna.pdf
    • http://kiteeearpdf.myhome.cx/5f211f211f214f216f217/Decide-Work-Smarter-Reduce-Your-Stress-and-Lead-by-Example-by-Steve-McClatchy.pdf
    • http://kiteeearpdf.myhome.cx/3f214f213f215f217f218/Dare-to-Lead-Brave-Work-Tough-Conversations-Whole-Hearts-by-Bren-Brown.pdf
    • http://kiteeearpdf.myhome.cx/4f217f218f210f215f213/If-You-Lean-In-Will-Men-Just-Look-Down-Your-Blouse-Questions-and-Thoughts-for-Loud-Smart-Women-in-Turbulent-Times-by-Gina-Barreca.pdf
    • http://kiteeearpdf.myhome.cx/4f214f212f212f210f211/She-s-Out-There-Essays-by-35-Young-Women-Who-Aspire-to-Lead-the-Nation--The-Next-Generation-of-Presidential-Candidates-by-Amy-Sewell.pdf
    • http://kiteeearpdf.myhome.cx/6f219f213f213f210f218/Practical-Lean-Six-Sigma-for-Healthcare-with-Links-to-over-30-Excel-Worksheets-Using-the-A3-and-Lean-Thinking-to-Improve-Operational-Performance-in-Clinics-and-Physician-Group-Practices-by-Todd-Sperl.pdf
    • http://kiteeearpdf.myhome.cx/1f211f218f218f216f211f216/Band-Tumbler-Work-Log-Work-Journal-Work-Diary-Log---131-Pages-8-5-X-11-Inches-by-Key-Work-Logs.pdf
    • http://kiteeearpdf.myhome.cx/1f211f219f211f218f216/Women-s-Work-by-Kari-Aguila.pdf
    • http://kiteeearpdf.myhome.cx/9f210f212f211f219f211/Women-work-and-volunteering-by-Herta-Loeser.pdf
    • http://kiteeearpdf.myhome.cx/8f214f212f214f215f217/Beyond-Happy-Women-Work-and-Well-Being-by-Beth-Cabrera.pdf
    • http://kiteeearpdf.myhome.cx/4f211f213f211f216f213/Sex-Work-Writings-by-Women-in-the-Sex-Industry-by-Frederique-Delacoste.pdf
    • http://kiteeearpdf.myhome.cx/1f211f214f219f210f219f217/Women-at-Work-in-Preindustrial-France-by-Daryl-M-Hafter.pdf
    • http://kiteeearpdf.myhome.cx/1f211f214f219f210f219f219/Women-and-Work-in-Eighteenth-Century-France-by-Daryl-M-Hafter.pdf
    • http://kiteeearpdf.myhome.cx/4f217f210f212f218f210/Getting-Clear-Body-Work-for-Women-by-Anne-Kent-Rush.pdf
    • http://kiteeearpdf.myhome.cx/6f216f217f218f218f210/Women-s-Work-Men-s-Property-The-Origins-of-Gender-and-Class-by-Stephanie-Coontz.pdf
    • http://kiteeearpdf.myhome.cx/5f211f210f218f219f214/Out-to-Work-A-History-of-Wage-Earning-Women-in-the-United-States-by-Alice-Kessler-Harris.pdf
    • http://kiteeearpdf.myhome.cx/4f210f218f218f211f214/The-Bitch-in-the-House-26-Women-Tell-the-Truth-About-Sex-Solitude-Work-Motherhood-and-Marriage-by-Cathi-Hanauer.pdf
    • http://kiteeearpdf.myhome.cx/4f217f218f210f215f213/If-You-Lean-In-Will-Men-Just-Look-Down-Your-Blouse-Questions-and-Thoughts-for-Loud-Smart-Women-in-Turbulent-Times-by-Gina-Barrec

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